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| 1 | +--- |
| 2 | +layout: download |
| 3 | +board_id: "heltec_wireless_paper" |
| 4 | +title: "Heltec Wireless Paper" |
| 5 | +name: "Heltec Wireless Paper" |
| 6 | +manufacturer: "Heltec Automation" |
| 7 | +board_url: |
| 8 | + - "https://heltec.org/project/wireless-paper/" |
| 9 | +board_image: "heltec_wireless_paper.jpg" |
| 10 | +date_added: 2024-11-25 |
| 11 | +family: esp32s3 |
| 12 | +features: |
| 13 | + - Bluetooth/BTLE |
| 14 | + - Battery Charging |
| 15 | + - Display |
| 16 | + - LoRa/Radio |
| 17 | + - USB-C |
| 18 | + - Wi-Fi |
| 19 | +--- |
| 20 | + |
| 21 | +Wireless Paper is an E-Ink development kit with multiple wireless drive methods. Collaborate with the sample programs and development tools we provide, users can operate the display via Bluetooth, Wi-Fi and LoRa. |
| 22 | + |
| 23 | +This board is equipped with a default 2.13-inch black and white E-Ink display screen, continuous display for 180 days after power outage. It can be used to develop applications such as electronic tags and identity tags. |
| 24 | + |
| 25 | +## Technical Details |
| 26 | +- ESP32-S3FN8 + SX1262 Chipset, device can be driven via Wi-Fi, BLE and LoRa. |
| 27 | +- Default 250 x 122 pixels black-white display, it can also be used to drive E-Ink screens of other sizes. |
| 28 | +- High contrast, high reflectance, ultra-wide viewing angle. |
| 29 | +- Low power consumption, 20uA in deep sleep. |
| 30 | +- Internal integrated display screen refresh page function, users can drag and drop BMP images to achieve refresh. |
| 31 | +- Operation condition: 0~50℃, 35~70%RH. |
| 32 | +- Onboard USB-UART bridge, facilitate user secondary development. |
| 33 | +- With good RF circuit design and low-power design. |
| 34 | + |
| 35 | +## Specifications |
| 36 | +- MCU: ESP32-S3FN8 |
| 37 | +- LoRa Chipset: SX1262 |
| 38 | +- Frequency: 470~510MHz, 863~928MHz |
| 39 | +- Power Supply: lithium battery, USB Type-C |
| 40 | +- Supply Voltage: 3~5v |
| 41 | +- Operating Temperature: 0~50℃ |
| 42 | +- Operating Humidity: 35~70% |
| 43 | +- Display Resolution: 122(H)x250(V) Pixel |
| 44 | +- Connection Method: Wi-Fi, LoRa, BLE |
| 45 | +- Screen Size: 2.13 Inch |
| 46 | +- Active Area: 23.705×48.55 |
| 47 | +- Pixel Pitch: 0.1942X0.1942 |
| 48 | +- Pixel Configuration: Square |
| 49 | + |
| 50 | +## Purchase |
| 51 | + |
| 52 | +* [Heltec Automation Store](https://heltec.org/project/wireless-paper/) |
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